* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.box {
    width: 95%;
    margin: auto;
    margin-top: 55px;
    border: 2px solid #c2bfbf;
}

.box {
    padding: 10px;
    display: flex;
    justify-items: center;
    align-content: flex-start;
    flex-wrap: wrap;
}

.box ul {
    flex: 10%;
    height: 129px;
    /* border: 1px solid pink; */
    background-image: url(../学生端/image/电脑.png);
    background-size: cover;
    margin: 0 20px;
    margin-bottom: 20px;
}

.box ul li {
    display: flex;
    padding-top: 23px;
    /* flex-direction: column; */
    justify-content: center;
}

li {
    list-style: none;
}

li a {
    color: #fff;
}

.right {
    position: relative;
    max-width: 162px;
}

.menu,
.menu-two {
    position: absolute;
    z-index: 2;
    width: 122px;
    height: 119px;
    top: 0px;
    left: 0px;
    background: #fff;
    border: 1px solid #dadce0;
    display: none;
    cursor: pointer;
}

.menu__item {
    padding: 10px;
}

.menu__item:hover,
.bulletChat:hover {
    background-color: aqua;
}

.active {
    display: block;
}

.youjian {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.568);
}

.youjian .getmessage,
.getsocre,
.getask {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 500px;
    background-color: rgb(249, 182, 169);
    border-radius: 10px;
}

.getask {
    width: 250px;
    height: 250px;
}

.getask textarea {
    width: 250px;
    height: 250px;
}

.getsocre {
    height: 421px;
}

.getmessage span,
.getsocre span {
    position: absolute;
    right: 0;
    top: 0;
    width: 30px;
    height: 30px;
    line-height: 28px;
    border: 1px solid black;
    border-radius: 50%;
    text-align: center;
    cursor: pointer;
}

.getmessage .messages {
    width: 70%;
    height: 80%;
    margin: auto;
}

.getmessage .messages li {
    width: 100%;
    height: 50px;
    line-height: 50px;
}

.scores {
    color: rgb(220, 140, 107);
    position: relative;
    width: 100%;
    height: 80%;
    margin: auto;
    padding: 50% 0;
}

.p-num .itxt {
    border: 0;
    border-radius: 30%;
    background-color: coral;
    text-align: center;
    width: 80px;
    height: 30px;
}

.p-num a {
    border-radius: 20%;
    display: inline-block;
    height: 30px;
    width: 20px;
    text-decoration: none;
    text-align: center;
    line-height: 30px;
    background-color: burlywood;
    border: 0;
}

.name {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-55%, -50%);
}

.submitScroe {
    position: absolute;
    border: 0;
    width: 70%;
    height: 25px;
    margin: auto;
    background-color: coral;
    bottom: 0px;
    right: 16%;
}

.name-p {
    text-align: center;
    margin-bottom: 50px;
}

.name-p a {
    color: red;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    width: 100%;
    height: 100%;
    /* background-color: #aaaaaa!important; */
    background-image: linear-gradient(to top, #a8edea 0%, #fed6e3 100%);
}


/* background-image: url(../img/city_in_the_clouds_by_tatasz_d8yebbu.png); */

.header {
    height: 7%;
    /* background-color: #7b7b7b!important; */
    background-color: #aaaaaa!important;
}

.header-left h2 {
    color: rgb(0, 0, 0)!important;
    /* 128, 209, 200 */
}

.body {
    width: 100%;
    height: 80%;
    margin: 0 auto;
}

.box::after {
    content: "讲台";
    width: 55%;
    margin-left: 20%;
    height: 100px;
    border: 3px solid #2c2c2c;
    text-align: center;
    color: rgb(0, 0, 0);
    line-height: 100px;
    font-size: 30px;
}

.box-bottom {
    position: absolute;
    bottom: 0;
    left: 100px;
    width: 80%;
    height: 100px;
    border: 1px solid white;
    text-align: center;
    color: white;
    line-height: 100px;
    font-size: 30px;
}

.nav-son>a {
    color: rgb(0, 0, 0)!important;
    font-size: 22px;
}

.tuichu {
    text-align: center;
    font-size: 24px;
    cursor: pointer;
}